ZA200903250B - Pitch lag estimation - Google Patents

Pitch lag estimation

Info

Publication number
ZA200903250B
ZA200903250B ZA200903250A ZA200903250A ZA200903250B ZA 200903250 B ZA200903250 B ZA 200903250B ZA 200903250 A ZA200903250 A ZA 200903250A ZA 200903250 A ZA200903250 A ZA 200903250A ZA 200903250 B ZA200903250 B ZA 200903250B
Authority
ZA
South Africa
Prior art keywords
pitch lag
lag estimation
estimation
pitch
lag
Prior art date
Application number
ZA200903250A
Inventor
Adriana Vasilache
Anssi Ramo
Lasse Laaksonen
Original Assignee
Nokia Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39276345&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA200903250(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nokia Corp filed Critical Nokia Corp
Publication of ZA200903250B publication Critical patent/ZA200903250B/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
ZA200903250A 2006-10-13 2009-05-11 Pitch lag estimation ZA200903250B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/580,690 US7752038B2 (en) 2006-10-13 2006-10-13 Pitch lag estimation

Publications (1)

Publication Number Publication Date
ZA200903250B true ZA200903250B (en) 2010-10-27

Family

ID=39276345

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200903250A ZA200903250B (en) 2006-10-13 2009-05-11 Pitch lag estimation

Country Status (9)

Country Link
US (1) US7752038B2 (en)
EP (1) EP2080193B1 (en)
KR (1) KR101054458B1 (en)
CN (1) CN101542589B (en)
AU (1) AU2007305960B2 (en)
CA (1) CA2673492C (en)
HK (1) HK1130360A1 (en)
WO (1) WO2008044164A2 (en)
ZA (1) ZA200903250B (en)

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JP2007114417A (en) * 2005-10-19 2007-05-10 Fujitsu Ltd Voice data processing method and device
US8010350B2 (en) * 2006-08-03 2011-08-30 Broadcom Corporation Decimated bisectional pitch refinement
US8386246B2 (en) * 2007-06-27 2013-02-26 Broadcom Corporation Low-complexity frame erasure concealment
WO2010028299A1 (en) * 2008-09-06 2010-03-11 Huawei Technologies Co., Ltd. Noise-feedback for spectral envelope quantization
US8532998B2 (en) 2008-09-06 2013-09-10 Huawei Technologies Co., Ltd. Selective bandwidth extension for encoding/decoding audio/speech signal
WO2010028301A1 (en) * 2008-09-06 2010-03-11 GH Innovation, Inc. Spectrum harmonic/noise sharpness control
US8532983B2 (en) * 2008-09-06 2013-09-10 Huawei Technologies Co., Ltd. Adaptive frequency prediction for encoding or decoding an audio signal
WO2010031049A1 (en) * 2008-09-15 2010-03-18 GH Innovation, Inc. Improving celp post-processing for music signals
WO2010031003A1 (en) 2008-09-15 2010-03-18 Huawei Technologies Co., Ltd. Adding second enhancement layer to celp based core layer
GB2466672B (en) * 2009-01-06 2013-03-13 Skype Speech coding
GB2466675B (en) 2009-01-06 2013-03-06 Skype Speech coding
GB2466673B (en) 2009-01-06 2012-11-07 Skype Quantization
GB2466671B (en) * 2009-01-06 2013-03-27 Skype Speech encoding
GB2466670B (en) * 2009-01-06 2012-11-14 Skype Speech encoding
GB2466669B (en) * 2009-01-06 2013-03-06 Skype Speech coding
CN106454675B (en) 2009-08-03 2020-02-07 图象公司 System and method for monitoring cinema speakers and compensating for quality problems
US8666734B2 (en) 2009-09-23 2014-03-04 University Of Maryland, College Park Systems and methods for multiple pitch tracking using a multidimensional function and strength values
US8452606B2 (en) * 2009-09-29 2013-05-28 Skype Speech encoding using multiple bit rates
KR101666521B1 (en) * 2010-01-08 2016-10-14 삼성전자 주식회사 Method and apparatus for detecting pitch period of input signal
CN101908341B (en) * 2010-08-05 2012-05-23 浙江工业大学 Voice code optimization method based on G.729 algorithm applicable to embedded system
US8913104B2 (en) * 2011-05-24 2014-12-16 Bose Corporation Audio synchronization for two dimensional and three dimensional video signals
CN104115220B (en) * 2011-12-21 2017-06-06 华为技术有限公司 Very short pitch determination and coding
RU2546311C2 (en) * 2012-09-06 2015-04-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Воронежский государственный университет" (ФГБУ ВПО "ВГУ") Method of estimating base frequency of speech signal
KR102259112B1 (en) 2012-11-15 2021-05-31 가부시키가이샤 엔.티.티.도코모 Audio coding device, audio coding method, audio coding program, audio decoding device, audio decoding method, and audio decoding program
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3483886A1 (en) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
US11094328B2 (en) * 2019-09-27 2021-08-17 Ncr Corporation Conferencing audio manipulation for inclusion and accessibility
JP7461192B2 (en) * 2020-03-27 2024-04-03 株式会社トランストロン Fundamental frequency estimation device, active noise control device, fundamental frequency estimation method, and fundamental frequency estimation program

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3402748B2 (en) * 1994-05-23 2003-05-06 三洋電機株式会社 Pitch period extraction device for audio signal
FI113903B (en) * 1997-05-07 2004-06-30 Nokia Corp Speech coding
US5946650A (en) * 1997-06-19 1999-08-31 Tritech Microelectronics, Ltd. Efficient pitch estimation method
KR100269216B1 (en) * 1998-04-16 2000-10-16 윤종용 Pitch determination method with spectro-temporal auto correlation
JP3343082B2 (en) * 1998-10-27 2002-11-11 松下電器産業株式会社 CELP speech encoder
US6718309B1 (en) * 2000-07-26 2004-04-06 Ssi Corporation Continuously variable time scale modification of digital audio signals
KR100393899B1 (en) * 2001-07-27 2003-08-09 어뮤즈텍(주) 2-phase pitch detection method and apparatus
JP3605096B2 (en) * 2002-06-28 2004-12-22 三洋電機株式会社 Method for extracting pitch period of audio signal
CN1246825C (en) * 2003-08-04 2006-03-22 扬智科技股份有限公司 Method for predicationg intonation estimated value of voice signal

Also Published As

Publication number Publication date
KR20090077951A (en) 2009-07-16
HK1130360A1 (en) 2009-12-24
CA2673492C (en) 2013-08-27
WO2008044164A2 (en) 2008-04-17
AU2007305960B2 (en) 2012-06-28
EP2080193A2 (en) 2009-07-22
US7752038B2 (en) 2010-07-06
CA2673492A1 (en) 2008-04-17
KR101054458B1 (en) 2011-08-04
AU2007305960A1 (en) 2008-04-17
EP2080193B1 (en) 2012-06-06
CN101542589A (en) 2009-09-23
US20080091418A1 (en) 2008-04-17
CN101542589B (en) 2012-07-11
WO2008044164A3 (en) 2008-06-26

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